CNAME records in place of A records

Fri Nov 6 22:49:26 UTC 2020

----- On Nov 6, 2020, at 2:07 AM, Dovid Bender <dovid at telecurve.com> wrote: 

Hi,

> Sorry if this is a bit OT. Recently several different vendors (in completely
> different fields) where they white label for us asked us to remove A records
> that we have going to them and replace them with CNAME records. Is there
> anything *going around* in the security aranea that has caused this?

Security-wise, you should be good. But make sure you're not attempting to deliver e-mail to such a domain; CNAMEs cannot be used in MX records.

Thanks, 

Sabri